Dynamic Display Property Adjustment via Pupil Activity Tracking
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Solution Overview
Problem
Current display technologies, such as HUDs and HMDs, do not effectively adapt the display properties based on the viewer's pupil activity, leading to suboptimal viewing experiences.
Innovation Solution
A display apparatus with an optical element, an eye tracker, and a processor that adjusts display properties like transparency, size, brightness, chroma, and resolution based on pupil activity, including distance and focal length, to enhance the viewing experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If display properties are kept static for simplicity, then device complexity is reduced, but adaptability to different viewing conditions deteriorates
Solution Approach 1:
The system uses an eye tracker to detect pupil activity and provides feedback to the processor, which then adjusts display properties accordingly. This closed-loop feedback mechanism enables dynamic adaptation to viewing conditions while maintaining manageable system complexity through modular architecture.
Solution Approach 2:
The display properties (transparency, size, brightness, chroma, resolution) are made dynamically adjustable based on real-time pupil activity detection. The system transitions from static display characteristics to dynamic ones that automatically adapt to the viewer's gaze and focus state.
2Adaptability or versatility
If display properties are dynamically adjusted based on pupil activity, then adaptability is improved, but device complexity increases
Solution Approach 1:
The eye tracker serves multiple functions: detecting pupil position, determining gaze point, calculating distance, and measuring focal length. This multi-functional component reduces the need for separate sensors for each measurement, thereby managing system complexity while enabling comprehensive display adaptation.
Solution Approach 2:
The system adjusts multiple display parameters (transparency, size, brightness, chroma, resolution) based on detected pupil activity. By changing these parameters dynamically, the system achieves high adaptability without requiring fundamentally different display technologies for each viewing condition.
3Illumination intensity
If transparency is increased for distant viewing, then visibility is improved, but information clarity deteriorates
Solution Approach 1:
The system applies different display properties to different regions or aspects of the information area. When transparency is increased for distant viewing, other parameters like brightness, chroma, or size are simultaneously adjusted to maintain information clarity, creating a locally optimized display quality for each viewing condition.
Solution Approach 2:
The display system combines multiple adjustable properties (transparency, brightness, chroma, size, resolution) to create a composite display characteristic that maintains both visibility and information clarity. Rather than relying on a single parameter, the system uses a combination of parameters to achieve optimal display quality.
Data Source
AI summary
A display apparatus may include an optical element having thereon an information area; an eye tracker configured to detect an activity of at least one pupil within eyes; a processor configured to change a display property of the information area based at least in part on the activity of the at least one pupil.